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Finding the Third Proportional to 153,656.68 and 313,410.20

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Solution

The third proportional to 153,656.68 and 313,410.20 is: 639,255.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,656.68 : 313,410.20 = 313,410.20 : x
  2. Step 2: Convert to fraction form
    153,656.68/313,410.20 = 313,410.20/x
  3. Step 3: Cross multiply
    153,656.68x = 313,410.20 × 313,410.20
  4. Step 4: Simplify right side
    153,656.68x = 98,225,952,974.34
  5. Step 5: Solve for x
    x = 98,225,952,974.34/153,656.68
  6. Step 6: Final answer
    x = 639,255.97

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.